For this work it was considered the following information of a fishing plant, whose gas emissions come from a cauldron Cleaver Broke: (CO): 0, 045 kg/s; (SO2): 0,010 kg/s and (NOx): 0.006 kg s, consigning the chimney (H) height: 15 m, the wind speed (u): 1.62 m/s, the (To) flue gas temperature: 623 K, the temperature of the medium in 291 ° K, and for purposes of the calculation, was seen as the atmosphere in a stable. Emissions particulate matter PM10 and aliphatic hydrocarbon, CnH2n-2 were calculated using the indicators in table 1. All these data were to carry out the simulation of the dispersion of these emissions, in order to determine values of emission. We used the Gauss equation and their respective parameters, resulting in the largest concentration of these polluting gases located 0.60 km from the fixed point of emission. With this result we proceeded to apply the ORAQI equation, determining immission values found at that distance do not affect the quality of the air, as the quality of the air (I.C.A) indicator, as value 96.7%, with which the activity of the cauldron and its emissions do not damage in traumatic way to the environment. As you can see this method allows predicting the air quality meeting the emissions of a cauldron. Therefore, it becomes an important tool for studies of environmental impact (EIA). Keywords:Gauss, ORAQI, gaseous emissions, simulation resuMen Para el presente trabajo se consideró los siguientes datos de una planta pesquera, cuyas emisiones gaseosas proceden de un caldero Cleaver Broke: ( CO): 0,045kg/s; (SO2) : 0,010 kg/s y (NOx) : 0,006 kg /s, consignándose la altura de la chimenea (H ):15 m, la velocidad del viento ( u): 1,62 m/s, la temperatura de los gases de chimenea (To) : 623 ºK, la temperatura del medio en 291 ºK, y para efectos del cálculo, se consideró a la atmósfera en forma estable. Las emisiones de material particulado MP10 y de hidrocarburos alifáticos CnH2n+2 se calcularon mediante lo indicadores de la tabla 1. Con todos estos datos se procedió a realizar la simulación de la dispersión de estas emisiones, a fin de determinar valores de inmisión. Se utilizó la ecuación de Gauss y sus parámetros respectivos, dando como resultado que la mayor concentración de estos gases contaminantes se localiza a 0,60 km del punto fijo de emisión. Con ese resultado se procedió a aplicar la ecuación de ORAQI, determinándose que los valores de inmisión encontrados a esa distancia no afectan la calidad del aire, pues el indicador de calidad del aire (I.C.A), da como valor 96,7%, con lo cual la actividad del caldero y sus emisiones no dañan en forma traumática al entorno. Como podrá apreciarse este método permite predecir la calidad del aire conociendo las emisiones de un caldero. Por lo cual, se convierte en una herramienta importante para los Estudios de Impacto Ambiental (EIA).
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